-// Copyright (C) 2014-2017 CEA/DEN, EDF R&D
+// Copyright (C) 2014-2021 CEA/DEN, EDF R&D
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
-// See http://www.salome-platform.org/ or
-// email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
#include "GeomAlgoAPI_ShapeTools.h"
#include <GeomAPI_Wire.h>
#include <Bnd_Box.hxx>
+
+#include <BRep_Tool.hxx>
#include <BRep_Builder.hxx>
-#include <BRepAdaptor_Curve.hxx>
#include <BRepAlgo.hxx>
#include <BRepAlgo_FaceRestrictor.hxx>
+#include <BRepAdaptor_Curve.hxx>
#include <BRepBndLib.hxx>
+#include <BRepBuilderAPI_Copy.hxx>
#include <BRepBuilderAPI_FindPlane.hxx>
#include <BRepBuilderAPI_MakeEdge.hxx>
#include <BRepBuilderAPI_MakeFace.hxx>
+#include <BRepBuilderAPI_MakeVertex.hxx>
+#include <BRepBuilderAPI_MakeWire.hxx>
#include <BRepCheck_Analyzer.hxx>
#include <BRepExtrema_DistShapeShape.hxx>
#include <BRepExtrema_ExtCF.hxx>
#include <BRepTools_WireExplorer.hxx>
#include <BRepTopAdaptor_FClass2d.hxx>
#include <BRepClass_FaceClassifier.hxx>
+#include <BRepLib_CheckCurveOnSurface.hxx>
+#include <BRepLProp.hxx>
+
+#include <BOPAlgo_Builder.hxx>
+
#include <Geom2d_Curve.hxx>
#include <Geom2d_Curve.hxx>
-#include <BRepLib_CheckCurveOnSurface.hxx>
-#include <BRep_Tool.hxx>
-#include <Geom_CylindricalSurface.hxx>
+
+#include <Geom_CylindricalSurface.hxx>
#include <Geom_Line.hxx>
#include <Geom_Plane.hxx>
+#include <Geom_RectangularTrimmedSurface.hxx>
+
#include <GeomAPI_ProjectPointOnCurve.hxx>
#include <GeomAPI_ShapeIterator.h>
+
#include <GeomLib_IsPlanarSurface.hxx>
#include <GeomLib_Tool.hxx>
#include <GeomAPI_IntCS.hxx>
+
#include <gp_Pln.hxx>
#include <GProp_GProps.hxx>
+
#include <IntAna_IntConicQuad.hxx>
#include <IntAna_Quadric.hxx>
-#include <NCollection_Vector.hxx>
+
#include <ShapeAnalysis.hxx>
#include <ShapeAnalysis_Surface.hxx>
-#include <TopoDS_Builder.hxx>
+
+#include <TopoDS.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Shell.hxx>
#include <TopoDS_Vertex.hxx>
-#include <TopoDS.hxx>
+#include <TopoDS_Builder.hxx>
+
#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
-#include <TopTools_ListIteratorOfListOfShape.hxx>
+#include <TopTools_ListIteratorOfListOfShape.hxx>
-#include <BOPAlgo_Builder.hxx>
-#include <BRepBuilderAPI_MakeVertex.hxx>
-#include <TopoDS_Edge.hxx>
+#include <NCollection_Vector.hxx>
//==================================================================================================
static GProp_GProps props(const TopoDS_Shape& theShape)
}
//==================================================================================================
-double GeomAlgoAPI_ShapeTools::volume(const std::shared_ptr<GeomAPI_Shape> theShape)
+double GeomAlgoAPI_ShapeTools::length(const std::shared_ptr<GeomAPI_Shape> theShape)
{
GProp_GProps aGProps;
if(!theShape.get()) {
if(aShape.IsNull()) {
return 0.0;
}
+
+ BRepGProp::LinearProperties(aShape, aGProps, Standard_True);
+ return aGProps.Mass();
+}
+
+//==================================================================================================
+double GeomAlgoAPI_ShapeTools::volume(const std::shared_ptr<GeomAPI_Shape> theShape)
+{
+ if(!theShape.get()) {
+ return 0.0;
+ }
+ const TopoDS_Shape& aShape = theShape->impl<TopoDS_Shape>();
+ if(aShape.IsNull()) {
+ return 0.0;
+ }
const Standard_Real anEps = 1.e-6;
- if (aShape.ShapeType() <= TopAbs_SOLID)
- BRepGProp::VolumeProperties(aShape, aGProps, anEps);
- else
- BRepGProp::SurfaceProperties(aShape, aGProps, anEps);
- return aGProps.Mass();
+ double aVolume = 0.0;
+ for (TopExp_Explorer anExp(aShape, TopAbs_SOLID); anExp.More(); anExp.Next()) {
+ GProp_GProps aGProps;
+ BRepGProp::VolumeProperties(anExp.Current(), aGProps, anEps);
+ aVolume += aGProps.Mass();
+ }
+ return aVolume;
}
//==================================================================================================
std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::combineShapes(
const std::shared_ptr<GeomAPI_Shape> theCompound,
const GeomAPI_Shape::ShapeType theType,
- ListOfShape& theCombinedShapes,
- ListOfShape& theFreeShapes)
+ ListOfShape& theResuts)
{
+
+ ListOfShape aResCombinedShapes;
+ ListOfShape aResFreeShapes;
+
GeomShapePtr aResult = theCompound;
if(!theCompound.get()) {
aTA = TopAbs_SOLID;
}
- theCombinedShapes.clear();
- theFreeShapes.clear();
+ // map from the resulting shapes to minimal index of the used shape from theCompound list
+ std::map<GeomShapePtr, int> anInputOrder;
+ // map from ancestors-shapes to the index of shapes in theCompound
+ NCollection_DataMap<TopoDS_Shape, int> anAncestorsOrder;
// Get free shapes.
+ int anOrder = 0;
const TopoDS_Shape& aShapesComp = theCompound->impl<TopoDS_Shape>();
- for(TopoDS_Iterator anIter(aShapesComp); anIter.More(); anIter.Next() ) {
+ for(TopoDS_Iterator anIter(aShapesComp); anIter.More(); anIter.Next(), anOrder++) {
const TopoDS_Shape& aShape = anIter.Value();
if(aShape.ShapeType() > aTA) {
std::shared_ptr<GeomAPI_Shape> aGeomShape(new GeomAPI_Shape);
aGeomShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aShape));
- theFreeShapes.push_back(aGeomShape);
+ aResFreeShapes.push_back(aGeomShape);
+ anInputOrder[aGeomShape] = anOrder;
+ } else {
+ for(TopExp_Explorer anExp(aShape, aTA); anExp.More(); anExp.Next()) {
+ anAncestorsOrder.Bind(anExp.Current(), anOrder);
+ }
}
}
if(aMapSA.IsEmpty()) {
return aResult;
}
+ theResuts.clear();
// Get all shapes with common sub-shapes and free shapes.
NCollection_Map<TopoDS_Shape> aFreeShapes;
NCollection_Vector<NCollection_Map<TopoDS_Shape>> aShapesWithCommonSubshapes;
for(TopTools_IndexedDataMapOfShapeListOfShape::Iterator
anIter(aMapSA); anIter.More(); anIter.Next()) {
- const TopoDS_Shape& aShape = anIter.Key();
TopTools_ListOfShape& aListOfShape = anIter.ChangeValue();
if(aListOfShape.IsEmpty()) {
continue;
aTempIter(aTempList); aTempIter.More(); aTempIter.Next()) {
const TopoDS_Shape& aTempShape = aTempIter.Value();
for(TopTools_IndexedDataMapOfShapeListOfShape::Iterator
- anIter(aMapSA); anIter.More(); anIter.Next()) {
- TopTools_ListOfShape& aTempListOfShape = anIter.ChangeValue();
+ anIter2(aMapSA); anIter2.More(); anIter2.Next()) {
+ TopTools_ListOfShape& aTempListOfShape = anIter2.ChangeValue();
if(aTempListOfShape.IsEmpty()) {
continue;
} else if(aTempListOfShape.Size() == 1 && aTempListOfShape.First() == aTempShape) {
TopoDS_Shell aShell;
TopoDS_CompSolid aCSolid;
TopoDS_Builder aBuilder;
+ anOrder = -1;
theType ==
GeomAPI_Shape::COMPSOLID ? aBuilder.MakeCompSolid(aCSolid) : aBuilder.MakeShell(aShell);
NCollection_Map<TopoDS_Shape>& aShapesMap = anIter.ChangeValue();
theType ==
GeomAPI_Shape::COMPSOLID ? aBuilder.Add(aCSolid, aShape) : aBuilder.Add(aShell, aShape);
aShapesMap.Remove(aShape);
+ int aThisOrder = anAncestorsOrder.Find(aShape);
+ if (anOrder == -1 || aThisOrder < anOrder)
+ anOrder = aThisOrder; // take the minimum order position
}
}
std::shared_ptr<GeomAPI_Shape> aGeomShape(new GeomAPI_Shape);
TopoDS_Shape* aSh = theType == GeomAPI_Shape::COMPSOLID ? new TopoDS_Shape(aCSolid) :
new TopoDS_Shape(aShell);
aGeomShape->setImpl<TopoDS_Shape>(aSh);
- theCombinedShapes.push_back(aGeomShape);
+ aResCombinedShapes.push_back(aGeomShape);
+ anInputOrder[aGeomShape] = anOrder;
}
// Adding free shapes.
if(aFreeShapes.Contains(aShape)) {
std::shared_ptr<GeomAPI_Shape> aGeomShape(new GeomAPI_Shape);
aGeomShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aShape));
- theFreeShapes.push_back(aGeomShape);
+ aResFreeShapes.push_back(aGeomShape);
+ anInputOrder[aGeomShape] = anAncestorsOrder.Find(aShape);
}
}
- if(theCombinedShapes.size() == 1 && theFreeShapes.size() == 0) {
- aResult = theCombinedShapes.front();
- } else if(theCombinedShapes.size() == 0 && theFreeShapes.size() == 1) {
- aResult = theFreeShapes.front();
+ if(aResCombinedShapes.size() == 1 && aResFreeShapes.size() == 0) {
+ aResult = aResCombinedShapes.front();
+ theResuts.push_back(aResult);
+ } else if(aResCombinedShapes.size() == 0 && aResFreeShapes.size() == 1) {
+ aResult = aResFreeShapes.front();
+ theResuts.push_back(aResult);
} else {
TopoDS_Compound aResultComp;
TopoDS_Builder aBuilder;
aBuilder.MakeCompound(aResultComp);
- for(ListOfShape::const_iterator anIter = theCombinedShapes.cbegin();
- anIter != theCombinedShapes.cend(); anIter++) {
- aBuilder.Add(aResultComp, (*anIter)->impl<TopoDS_Shape>());
- }
- for(ListOfShape::const_iterator anIter = theFreeShapes.cbegin();
- anIter != theFreeShapes.cend(); anIter++) {
- aBuilder.Add(aResultComp, (*anIter)->impl<TopoDS_Shape>());
+ // put to result compound and result list in accordance to the order numbers
+ std::map<GeomShapePtr, int>::iterator anInputIter = anInputOrder.begin();
+ std::map<int, GeomShapePtr> aNums;
+ for(; anInputIter != anInputOrder.end(); anInputIter++)
+ aNums[anInputIter->second] = anInputIter->first;
+ std::map<int, GeomShapePtr>::iterator aNumsIter = aNums.begin();
+ for(; aNumsIter != aNums.end(); aNumsIter++) {
+ aBuilder.Add(aResultComp, (aNumsIter->second)->impl<TopoDS_Shape>());
+ theResuts.push_back(aNumsIter->second);
}
aResult->setImpl(new TopoDS_Shape(aResultComp));
}
TopoDS_Compound aCompound;
BRep_Builder aBuilder;
aBuilder.MakeCompound(aCompound);
- ListOfShape aCompSolids, aFreeSolids;
+ ListOfShape aSolids;
for (NCollection_Vector<TopTools_MapOfShape>::Iterator anIt(aGroups); anIt.More(); anIt.Next()) {
const TopTools_MapOfShape& aGroup = anIt.ChangeValue();
GeomShapePtr aGeomShape(new GeomAPI_Shape());
aGeomShape->setImpl(new TopoDS_Shape(makeCompound(anOrderedGoup)));
aGeomShape = GeomAlgoAPI_ShapeTools::combineShapes(aGeomShape,
GeomAPI_Shape::COMPSOLID,
- aCompSolids,
- aFreeSolids);
+ aSolids);
}
aBuilder.Add(aCompound, aGeomShape->impl<TopoDS_Shape>());
}
return aResult;
}
+//==================================================================================================
+bool GeomAlgoAPI_ShapeTools::hasSharedTopology(const ListOfShape& theShapes,
+ const GeomAPI_Shape::ShapeType theShapeType)
+{
+ TopTools_IndexedMapOfShape aSubs;
+ for (ListOfShape::const_iterator anIt = theShapes.begin(); anIt != theShapes.end(); ++anIt) {
+ TopTools_IndexedMapOfShape aCurSubs;
+ TopExp::MapShapes((*anIt)->impl<TopoDS_Shape>(), (TopAbs_ShapeEnum)theShapeType, aCurSubs);
+ for (TopTools_IndexedMapOfShape::Iterator aSubIt(aCurSubs); aSubIt.More(); aSubIt.Next()) {
+ if (aSubs.Contains(aSubIt.Value()))
+ return true;
+ else
+ aSubs.Add(aSubIt.Value());
+ }
+ }
+ return false;
+}
+
//==================================================================================================
std::list<std::shared_ptr<GeomAPI_Pnt> >
GeomAlgoAPI_ShapeTools::getBoundingBox(const ListOfShape& theShapes, const double theEnlarge)
Standard_Real aYArr[2] = {aBndBox.CornerMin().Y(), aBndBox.CornerMax().Y()};
Standard_Real aZArr[2] = {aBndBox.CornerMin().Z(), aBndBox.CornerMax().Z()};
std::list<std::shared_ptr<GeomAPI_Pnt> > aResultPoints;
- int aNum = 0;
for(int i = 0; i < 2; i++) {
for(int j = 0; j < 2; j++) {
for(int k = 0; k < 2; k++) {
return anOuterWire;
}
+//==================================================================================================
+static bool boundaryOfEdge(const std::shared_ptr<GeomAPI_Edge> theEdge,
+ const std::shared_ptr<GeomAPI_Vertex> theVertex,
+ double& theParam)
+{
+ GeomPointPtr aPoint = theVertex->point();
+ GeomPointPtr aFirstPnt = theEdge->firstPoint();
+ double aFirstPntTol = theEdge->firstPointTolerance();
+ GeomPointPtr aLastPnt = theEdge->lastPoint();
+ double aLastPntTol = theEdge->lastPointTolerance();
+
+ double aFirst, aLast;
+ theEdge->getRange(aFirst, aLast);
+
+ bool isFirst = aPoint->distance(aFirstPnt) <= aFirstPntTol;
+ bool isLast = aPoint->distance(aLastPnt) <= aLastPntTol;
+ if (isFirst)
+ theParam = aFirst;
+ else if (isLast)
+ theParam = aLast;
+
+ return isFirst != isLast;
+}
+
+bool GeomAlgoAPI_ShapeTools::isTangent(const std::shared_ptr<GeomAPI_Edge> theEdge1,
+ const std::shared_ptr<GeomAPI_Edge> theEdge2,
+ const std::shared_ptr<GeomAPI_Vertex> theTgPoint)
+{
+ double aParE1 = 0, aParE2 = 0;
+ if (!boundaryOfEdge(theEdge1, theTgPoint, aParE1) ||
+ !boundaryOfEdge(theEdge2, theTgPoint, aParE2))
+ return false;
+
+ BRepAdaptor_Curve aC1(theEdge1->impl<TopoDS_Edge>());
+ BRepAdaptor_Curve aC2(theEdge2->impl<TopoDS_Edge>());
+ return BRepLProp::Continuity(aC1, aC2, aParE1, aParE2) >= GeomAbs_G1;
+}
+
//==================================================================================================
bool GeomAlgoAPI_ShapeTools::isParallel(const std::shared_ptr<GeomAPI_Edge> theEdge,
const std::shared_ptr<GeomAPI_Face> theFace)
//==================================================================================================
std::list<std::shared_ptr<GeomAPI_Vertex> > GeomAlgoAPI_ShapeTools::intersect(
- const std::shared_ptr<GeomAPI_Edge> theEdge, const std::shared_ptr<GeomAPI_Face> theFace,
- const bool thePointsOutsideFace)
+ const std::shared_ptr<GeomAPI_Edge> theEdge, const std::shared_ptr<GeomAPI_Face> theFace)
{
std::list<std::shared_ptr<GeomAPI_Vertex> > aResult;
if(!theEdge.get() || !theFace.get()) {
{
TopoDS_Wire aFixedWire;
Handle(Geom_Curve) aPrevCurve;
- double aPrevLastParam = 0.0;
+ double aPrevLastParam = -Precision::Infinite();
BRep_Builder aBuilder;
aBuilder.MakeWire(aFixedWire);
TopoDS_Edge anEdge = aWExp.Current();
double aFirst, aLast;
Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
- if (aCurve == aPrevCurve) {
+ if (aCurve == aPrevCurve && Abs(aFirst - aPrevLastParam) > Precision::Confusion()) {
// if parametric gap occurs, create new edge based on the copied curve
aCurve = Handle(Geom_Curve)::DownCast(aCurve->Copy());
TopoDS_Vertex aV1, aV2;
return aFixedWire;
}
+//==================================================================================================
std::shared_ptr<GeomAPI_Edge> GeomAlgoAPI_ShapeTools::wireToEdge(
const std::shared_ptr<GeomAPI_Wire>& theWire)
{
GeomEdgePtr anEdge;
if (theWire) {
TopoDS_Wire aWire = theWire->impl<TopoDS_Wire>();
- // Workaround: when concatenate a wire consisting of two edges based on the same B-spline curve
- // (non-periodic, but having equal start and end points), first of which is placed at the end
- // on the curve and second is placed at the start, this workaround copies second curve to avoid
- // treating these edges as a single curve by setting trim parameters.
- aWire = fixParametricGaps(aWire);
- TopoDS_Edge aNewEdge = BRepAlgo::ConcatenateWireC0(aWire);
+ BRepTools_WireExplorer aWExp(aWire);
+ TopoDS_Edge aNewEdge = aWExp.Current();
+ aWExp.Next();
+ if (aWExp.More()) {
+ // Workaround for the closed wire to avoid jumping of its start point:
+ // split this wire for two parts, convert them to edges, then compose together
+ if (BRep_Tool::IsClosed(aWire)) {
+ aWire = TopoDS::Wire(BRepBuilderAPI_Copy(aWire).Shape());
+ aWExp.Init(aWire);
+ aNewEdge = aWExp.Current();
+
+ BRep_Builder().Remove(aWire, aNewEdge);
+ GeomWirePtr aSplitWire(new GeomAPI_Wire);
+ aSplitWire->setImpl(new TopoDS_Wire(aWire));
+ GeomEdgePtr aMergedEdge = wireToEdge(aSplitWire);
+
+ aWire = BRepBuilderAPI_MakeWire(aNewEdge, aMergedEdge->impl<TopoDS_Edge>());
+ }
+
+ // Workaround: when concatenate a wire consisting of two edges based on the same B-spline
+ // curve (non-periodic, but having equal start and end points), first of which is placed
+ // at the end on the curve and second is placed at the start, this workaround copies
+ // second curve to avoid treating these edges as a single curve by setting trim parameters.
+ aWire = fixParametricGaps(aWire);
+ aWire = BRepAlgo::ConcatenateWire(aWire, GeomAbs_G1); // join smooth parts of wire
+ aNewEdge = BRepAlgo::ConcatenateWireC0(aWire); // join C0 parts of wire
+ }
anEdge = GeomEdgePtr(new GeomAPI_Edge);
anEdge->setImpl(new TopoDS_Edge(aNewEdge));
}
return anEdge;
}
+//==================================================================================================
ListOfShape GeomAlgoAPI_ShapeTools::getLowLevelSubShapes(const GeomShapePtr& theShape)
{
ListOfShape aSubShapes;
}
return aSubShapes;
-}
\ No newline at end of file
+}
+
+//==================================================================================================
+static void getMinMaxPointsOnLine(const std::list<std::shared_ptr<GeomAPI_Pnt> >& thePoints,
+ const gp_Dir theDir,
+ double& theMin, double& theMax)
+{
+ theMin = RealLast();
+ theMax = RealFirst();
+ // Project bounding points on theDir
+ for (std::list<std::shared_ptr<GeomAPI_Pnt> >::const_iterator
+ aPointsIt = thePoints.begin(); aPointsIt != thePoints.end(); aPointsIt++) {
+ const gp_Pnt& aPnt = (*aPointsIt)->impl<gp_Pnt>();
+ gp_Dir aPntDir (aPnt.XYZ());
+ Standard_Real proj = (theDir*aPntDir) * aPnt.XYZ().Modulus();
+ if (proj < theMin) theMin = proj;
+ if (proj > theMax) theMax = proj;
+ }
+}
+
+//==================================================================================================
+void GeomAlgoAPI_ShapeTools::computeThroughAll(const ListOfShape& theObjects,
+ const ListOfShape& theBaseShapes,
+ const std::shared_ptr<GeomAPI_Dir> theDir,
+ double& theToSize, double& theFromSize)
+{
+ // Bounding box of objects
+ std::list<std::shared_ptr<GeomAPI_Pnt> > aBndObjs =
+ GeomAlgoAPI_ShapeTools::getBoundingBox(theObjects);
+ if (aBndObjs.size() != 8) {
+ return;
+ }
+
+ // the value to enlarge the bounding box of each object to make the extruded shape
+ // a little bit larger than overall objects to get the correct result of Boolean CUT operation
+ double anEnlargement = 0.1 * aBndObjs.front()->distance(aBndObjs.back());
+
+ // Prism direction
+ if (theDir.get()) {
+ // One direction for all prisms
+ gp_Dir aDir = theDir->impl<gp_Dir>();
+
+ // Bounding box of the base
+ std::list<std::shared_ptr<GeomAPI_Pnt> > aBndBases =
+ GeomAlgoAPI_ShapeTools::getBoundingBox(theBaseShapes);
+ if (aBndBases.size() != 8) {
+ return;
+ }
+
+ // Objects bounds
+ Standard_Real lowBnd, upperBnd;
+ getMinMaxPointsOnLine(aBndObjs, aDir, lowBnd, upperBnd);
+
+ // Base bounds
+ Standard_Real lowBase, upperBase;
+ getMinMaxPointsOnLine(aBndBases, aDir, lowBase, upperBase);
+
+ // ----------.-----.---------.--------------.-----------> theDir
+ // lowBnd lowBase upperBase upperBnd
+
+ theToSize = upperBnd - lowBase;
+ theFromSize = upperBase - lowBnd;
+ } else {
+ // Direction is a normal to each base shape (different normals to bases)
+ // So we calculate own sizes for each base shape
+ theToSize = 0.0;
+ theFromSize = 0.0;
+
+ for (ListOfShape::const_iterator anIt = theBaseShapes.begin();
+ anIt != theBaseShapes.end(); ++anIt) {
+ const GeomShapePtr& aBaseShape_i = (*anIt);
+ ListOfShape aBaseShapes_i;
+ aBaseShapes_i.push_back(aBaseShape_i);
+
+ // Bounding box of the base
+ std::list<std::shared_ptr<GeomAPI_Pnt> > aBndBases =
+ GeomAlgoAPI_ShapeTools::getBoundingBox(aBaseShapes_i, anEnlargement);
+ if (aBndBases.size() != 8) {
+ return;
+ }
+
+ // Direction (normal to aBaseShapes_i)
+ // Code like in GeomAlgoAPI_Prism
+ gp_Dir aDir;
+ const TopoDS_Shape& aBaseShape = aBaseShape_i->impl<TopoDS_Shape>();
+ BRepBuilderAPI_FindPlane aFindPlane(aBaseShape);
+ if (aFindPlane.Found() == Standard_True) {
+ Handle(Geom_Plane) aPlane;
+ if (aBaseShape.ShapeType() == TopAbs_FACE || aBaseShape.ShapeType() == TopAbs_SHELL) {
+ TopExp_Explorer anExp(aBaseShape, TopAbs_FACE);
+ const TopoDS_Shape& aFace = anExp.Current();
+ Handle(Geom_Surface) aSurface = BRep_Tool::Surface(TopoDS::Face(aFace));
+ if(aSurface->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) {
+ Handle(Geom_RectangularTrimmedSurface) aTrimSurface =
+ Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurface);
+ aSurface = aTrimSurface->BasisSurface();
+ }
+ if(aSurface->DynamicType() != STANDARD_TYPE(Geom_Plane)) {
+ return;
+ }
+ aPlane = Handle(Geom_Plane)::DownCast(aSurface);
+ } else {
+ aPlane = aFindPlane.Plane();
+ }
+ aDir = aPlane->Axis().Direction();
+ } else {
+ return;
+ }
+
+ // Objects bounds
+ Standard_Real lowBnd, upperBnd;
+ getMinMaxPointsOnLine(aBndObjs, aDir, lowBnd, upperBnd);
+
+ // Base bounds
+ Standard_Real lowBase, upperBase;
+ getMinMaxPointsOnLine(aBndBases, aDir, lowBase, upperBase);
+
+ // ----------.-----.---------.--------------.-----------> theDir
+ // lowBnd lowBase upperBase upperBnd
+
+ double aToSize_i = upperBnd - lowBase;
+ double aFromSize_i = upperBase - lowBnd;
+
+ if (aToSize_i > theToSize) theToSize = aToSize_i;
+ if (aFromSize_i > theFromSize) theFromSize = aFromSize_i;
+ }
+ }
+}
